FTK Strips are ideal for quick and easy analysis. Up to 7 parameters in just 15 seconds.Way of useDip the analytical strip into the water and remove immediately. Wait 15 seconds with the analytical strip facing the face of the tests up (do not remove excess water). Compare pH, free chlorine, total alkalinity and stabilizer tests (in this order) with the color table provided.Ftk poolMeasurement of free chlorine level, pH, alkalinity, stabilizer (cyanuric acid), solidscl libre / free chlorine rate: 0, 0.5, 1, 3, 5, 10 ppmph: 6.2, 6.8, 7.2, 7.8, 8.4, 9.0Calinity: 0, 40, 80, 120, 180, 240 ppmduness: 0, 100, 250, 500, 1000 ppmacid cycanuru/CYA: 0, 30, 50, 100, 150, 240 PPMFTK SPABR: 0, 1, 2, 5, 10, 20 ppmcl libre, total: 0, 0.5, 1, 3, 5, 10 ppmph: 6.2, 6.8, 7.2, 7.8, 8 ,, 4, 9.0Calinity: 0, 40, 80, 120, 180, 240 ppmduness: 0, 100, 250, 500, 1000 ppmFTK PRO (Old FTK5) Free Chlorine: 0, 0.5, 1, 3, 5, 10 ppmph: 6.2, 6.8, 7.2, 7.8, 8.4, 9.0Calinity: 0, 40, 40, 80, 120, 180, 240 ppmduza Tota: 0, 100, 250, 500, 1000 ppmacid cycanuru / cya: 0, 30, 50, 100, 150, 240 ppmcobre: ??0.3, 0.6, 1, 3ftk mini - Mini Free Pisceschlorine: 0, 0.5, 1, 3, 5, 10 ppmph: 6.2, 6.8, 7.2, 7.8, 8.4, 9.0Ftk pHosPhosphate analysis strips0, 100, 200, 300, 500, 1000, 2500 ppbFTK SaltReactive Strips for Salt Analysis (NaCl) in Pool Waters.NACL: 0, 2000, 4000, 6000, 8000 ppmFtk-h2o2Peroxide / Peroxide: 0, 10, 20, 30, 50, 75, 100 ppm Alkalinidad / Alkalinity: 0, 40, 80, 120, 180, 240 ppmph: 6.2, 6.8, 7.2, 7.8, 8.4, 9.0